.index{
  .dropdown-menu{
    // background: ;
    margin: 40px;
  }
  .formula-textarea{
    width: 80%;
    margin:  0 auto;
    position: relative;
    .tips{
      width: 100%;
      height: 100%;
      position: absolute;
      top: 0;
      left: 0;
      p{
        font-size: 22px;
        height: 40px;
        line-height: 40px;
      }
      .leave-for{
        width: 100px;
        display: block;
        background: #7B68EE;
        border-radius: 5px;
        padding: 10px 20px;
        color: #fff;
        margin: 0 auto;
      }
    }
  }
  .btns{
    width: 80%;
    margin: 0 auto;
    margin-top: 30px;
    margin-bottom: 30px;
    button{
      width: calc(100%/6);
    }
  }
  .result{
    border: 1px solid #ddd;
    border-radius: 8px;
    line-height: 25px;
    padding: 10px;
    box-sizing: border-box;
    min-height: 428px;
    max-height: 500px;
    overflow-y: scroll;
    overflow-x: hidden;
  }
  .mask-v{
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.4);
    position: fixed;
    z-index: 99999;
    top: 0;
    left: 0;
  }
}